app-admin/stackdriver: parse json container logs

This change modifies the cos specific fluentd config used
by the logging agent to automatically parse container
logs in json, while preserving text log functionality.

See b/137508822#comment19 for an example of Before and
After behavior of this change.

TEST=presubmit, validated behavior on VM
RELEASE_NOTE=Added json parsing for container logs.

Change-Id: If4416bdbbf278a7858007a61d14a93ed456c4709
Reviewed-by: Roy Yang <>
Tested-by: Cusky Presubmit Bot <>
2 files changed